British Prime Minister David Cameron and French President Nicolas Sarkozy in Libya (Photo: BBC)

British Prime Minister David Cameron and French President Nicolas Sarkozy are in Libya, the most senior Western leaders to visit since Muammar Gaddafi was ousted. Their countries were at the forefront of NATO's Libyan operation. They met National Transitional Council leaders in Tripoli, and are to fly to Benghazi to speak in the former rebel stronghold's Liberty Square. Lisa Mullins talks with reporter Marine Olivesi in Tripoli.